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Question 20286
JEE Physics · Hard

Principles of Communication: Communication System MCQ

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Communication SystemHardQuestion 20286

Question

Multiplexing gain in communication systems is:
  1. A
    Extra noise added by multiplexing
  2. B
    Ability to send multiple independent signals over a single channel simultaneously
    Correct
  3. C
    The ratio of transmit to receive frequencies
  4. D
    Power boost in the repeater

Correct answer

Ability to send multiple independent signals over a single channel simultaneously

Explanation

Multiplexing (FDM, TDM, CDMA, OFDM) allows a single expensive channel (satellite transponder, optical fibre, radio spectrum) to carry many conversations simultaneously, drastically reducing per-user cost.

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